Numerical observability method for optimal phasor measurement units placement using recursive Tabu search method

NC Koutsoukis, NM Manousakis… - IET Generation …, 2013 - Wiley Online Library
Phasor measurement units (PMUs) are essential tools for monitoring, protection and control
of power systems. The optimal PMU placement (OPP) problem refers to the determination of …

Roots, achievements, and prospects of power system state estimation: A review on handling corrupted measurements

MB Do Coutto Filho, JCS de Souza… - … on electrical energy …, 2019 - Wiley Online Library
State estimation (SE) is an important element of power network analysis applications
implemented at control centres, being instrumental in providing reliable data on the system …

Dynamic graph-based anomaly detection in the electrical grid

S Li, A Pandey, B Hooi, C Faloutsos… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Given sensor readings over time from a power grid, how can we accurately detect when an
anomaly occurs? A key part of achieving this goal is to use the network of power grid …

State estimation and observability analysis for phasor measurement unit measured systems

GN Korres, NM Manousakis - IET generation, transmission & distribution, 2012 - IET
The synchronised phasor measurement units (PMUs) can provide extremely accurate
measurements that will improve the state estimation performance and observability …

An integer-arithmetic algorithm for observability analysis of systems with SCADA and PMU measurements

GN Korres - Electric Power Systems Research, 2011 - Elsevier
This paper presents an efficient numerical method for observability analysis of systems
including both conventional (SCADA) measurements and synchronized phasor (PMU) …

Quantifying observability in state estimation

MB Do Coutto Filho, JCS de Souza… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
<? Pub Dtl=""?> Observability means the aptitude for estimating the system state in its
entirety from data currently available. As such, the problem of quantifying this aptitude …

Regularized least squares power system state estimation

MC de Almeida, AV Garcia… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
In this paper, a new formulation for power system state estimation is proposed. The
formulation is based on the regularized least squares method, which can deal with ill-posed …

A theoretical framework for qualitative problems in power system state estimation

F Schmidt, MC de Almeida - Electric Power Systems Research, 2018 - Elsevier
The qualitative problems of observability analysis and identification of critical measurements
and critical sets are topics highly addressed in the literature. The analysis of such problems …

Structural system identification of cable-stayed bridges with observability techniques

JA Lozano-Galant, M Nogal… - Structure and …, 2014 - Taylor & Francis
Cable-stayed bridges are highly statically redundant, light and flexible structures. This
complexity highlights the role of the structural system identification (SSI) method in the …

Probabilistic assessment of state estimation capabilities for grid observation

AA Augusto, MB Do Coutto Filho… - IET Generation …, 2016 - Wiley Online Library
State estimation (SE) has been considered the fulcrum of advanced computer‐aided tools
used to monitor, control, and optimise the performance of power grids. It is destined for the …